body {
    width: 960px;
    margin: 0 auto;
}
#back {
    background-color: #eee;
    border: solid 1px #999;
    padding: 20px;
    display: flex;
}
.left{
    width: 200px;
    height: 120px;
    border: solid 1px #999;
    background-color: #ffffff;
}
.middle {
    width: 600px;
    border: solid 1px #999;
    background-color: #ffffff;
    margin: 0 20px;
}
.right {
    width: 120px;
    height: 420px;
    border: solid 1px #999;
    background-color: #ffffff;
}
.team_logo_img {
    margin: 20px 15px 20px 20px;
    float: left;
}
.middle_content {
    margin: 20px;
}
.personal_logo_img {
    margin: 17px 20px 0 20px;
}